Session 43: Reproductive Surgery: Female & Male

P-43: Reproductive Toxicity of Low Metal Exposureon Male

Background: Recent evidence has indicated a deterioration in reproductive health of men in many countries over the past few decades, particularly a decrease in semen quality and an increase in prevalence of prostate cancer. The human male has a relatively low fertility potential as compared to other mammals. Thus, the human male may be at greater risk from reproductive toxicants. For example, t...

Effects of drugs on the male and female reproductive systems.

Infertility, permanent or temporary, resulting from drug-induced injury is an important clinical problem. Many common used drugs are potentially toxic to gonads. It is well-known that estrogens are toxic to the male genital system, but androgens may also produce infertility. Anovulation may also be a consequence of exposure to sex steroids. Cimetidine regularly produces hypospermia in men; phen...

Sexual conflict selects for male and female reproductive characters

BACKGROUND Strict genetic monogamy leads to sexual harmony because any trait that decreases the fitness of one sex also decreases the fitness of the other. Any deviation from monogamy increases the potential for sexual conflict. Conflict is further enhanced by sperm competition, and given the ubiquity of this phenomenon, sexual conflict is rife. In support of theory, experimentally enforced mon...

Male genotype influences female reproductive investment in Drosophila melanogaster.

In many species, males can influence the amount of resources their mates invest in reproduction. Two favoured hypotheses for this observation are that females assess male quality during courtship or copulation and alter their investment in offspring accordingly, or that males manipulate females to invest heavily in offspring produced soon after mating. Here, we examined whether there is genetic...

Prostaglandin synthesis in the male and female reproductive tract.